HA16117FPA RENESAS [Renesas Technology Corp], HA16117FPA Datasheet - Page 14

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HA16117FPA

Manufacturer Part Number
HA16117FPA
Description
CMOS Watchdog Timer
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet

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HA16117F Series
7. When P-RUN frequency fluctuates (2)
Rev.3.00 Jun 15, 2005 page 14 of 30
P-RUN
RES
WD
C
C
Q
Q
C
A
B
R
F
3.6 V
0.9 V
3.2 V
1.6 V
5 V
0 V
5 V
0 V
If there is a double-pulse in P-RUN, RES will not be output as long as the ratio of P-RUN
pulse interval minimum value to maximum value is 3 or less. The timing chart for a P-RUN
minimum interval of 8 ms and maximum interval of 22 ms is shown below.
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
8 ms
22 ms

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